Finding the Fourth Proportional to 54,546.54, 81,820.83 and 17,105.79

Step by Step Solution

1. Step 1: Write the proportion equation
   54,546.54 : 81,820.83 = 17,105.79 : x
2. Step 2: Convert to fraction form
   54,546.54/81,820.83 = 17,105.79/x
3. Step 3: Cross multiply
   54,546.54x = 81,820.83 × 17,105.79
4. Step 4: Simplify right side
   54,546.54x = 1,399,609,935.61
5. Step 5: Solve for x
   x = 1,399,609,935.61/54,546.54
6. Step 6: Final answer
   x = 25,659.00